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工业炸药试验方法 作功能力试验 弹道抛掷法
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煤矿许用裸露药包技术条件
Technical requirements of permissible composed cartridge bag
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含火药乳化炸药
Emulsion explosive contained powder
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礼花弹用发射筒
Barrel for Fireworkers
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油气井用导爆索
Oil and gas well detonating cord
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